| 单词 | screw blade |
| 释义 | > as lemmasscrew blade screw blade n. ΚΠ 1844 Proc. Instit. Civil Engineers 3 77 The opening towards the centre of motion, by reducing the arms of the screw blades.., was judicious. 1915 G. S. Baker Ship Form, Resistance & Screw Propulsion xxiii. 217 The water which passes the screw blades is forced into more or less definite stream lines. 1996 Straits Times (Singapore) (Nexis) 20 Oct. Rocks under the vessel were severely scored by the screw blades as the crew tried to free the boat, indicating the engine was functioning normally. < as lemmas |
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